Patents by Inventor Daniel S. Costa

Daniel S. Costa has filed for patents to protect the following inventions. This listing includes patent applications that are pending as well as patents that have already been granted by the United States Patent and Trademark Office (USPTO).

  • Dissolution of oxidized cellulose
    Patent number: 11873350
    Abstract: A process for dissolving modified cellulose is disclosed. The process includes contacting modified cellulose with a solvent in a mixture to form swelled modified cellulose and then contacting the mixture with a salt to dissolve the swelled modified cellulose.
    Type: Grant
    Filed: April 19, 2021
    Date of Patent: January 16, 2024
    Assignee: Covidien LP
    Inventors: Valentino J. Tramontano, Joshua Kennedy, Philip D. Blaskovich, Rachit Ohri, Daniel S. Costa, Sajida Farooqi
  • DISSOLUTION OF OXIDIZED CELLULOSE
    Publication number: 20210238314
    Abstract: A process for dissolving modified cellulose is disclosed. The process includes contacting modified cellulose with a solvent in a mixture to form swelled modified cellulose and then contacting the mixture with a salt to dissolve the swelled modified cellulose.
    Type: Application
    Filed: April 19, 2021
    Publication date: August 5, 2021
    Inventors: Valentino J. Tramontano, Joshua Kennedy, Philip D. Blaskovich, Rachit Ohri, Daniel S. Costa, Sajida Farooqi
  • Dissolution of oxidized cellulose
    Patent number: 10982012
    Abstract: A process for dissolving modified cellulose is disclosed. The process includes contacting modified cellulose with a solvent in a mixture to form swelled modified cellulose and then contacting the mixture with a salt to dissolve the swelled modified cellulose.
    Type: Grant
    Filed: November 17, 2016
    Date of Patent: April 20, 2021
    Assignee: Covidien LP
    Inventors: Valentino J. Tramontano, Joshua Kennedy, Sajida Farooqi, Phillip D. Blaskovich, Rachit Ohri, Daniel S. Costa
  • DISSOLUTION OF OXIDIZED CELLULOSE
    Publication number: 20170066846
    Abstract: A process for dissolving modified cellulose is disclosed. The process includes contacting modified cellulose with a solvent in a mixture to form swelled modified cellulose and then contacting the mixture with a salt to dissolve the swelled modified cellulose.
    Type: Application
    Filed: November 17, 2016
    Publication date: March 9, 2017
    Inventors: Valentino J. Tramontano, Joshua Kennedy, Sajida Farooqi, Phillip D. Blaskovich, Rachit Ohri, Daniel S. Costa
  • Dissolution of Oxidized Cellulose and Particle Preparation by Solvent and Non-Solvent Precipitation
    Publication number: 20160369013
    Abstract: A process for dissolving modified cellulose includes contacting modified cellulose solution with at least one non-solvent to form a plurality of modified cellulose particles.
    Type: Application
    Filed: September 2, 2016
    Publication date: December 22, 2016
    Inventors: Valentino Tramontano, Phillip Blaskovich, Rachit Ohri, Daniel S. Costa, Joshua Kennedy, Sajida Farooqi
  • Dissolution of oxidized cellulose
    Patent number: 9522963
    Abstract: A process for dissolving modified cellulose is disclosed. The process includes contacting modified cellulose with a solvent in a mixture to form swelled modified cellulose and then contacting the mixture with a salt to dissolve the swelled modified cellulose.
    Type: Grant
    Filed: June 28, 2012
    Date of Patent: December 20, 2016
    Assignee: Covidien LP
    Inventors: Valentino J. Tramontano, Joshua Kennedy, Sajida Farooqi, Phillip Blaskovich, Rachit Ohri, Daniel S. Costa
  • Dissolution of oxidized cellulose and particle preparation by cross-linking with multivalent cations
    Patent number: 9499636
    Abstract: A process for dissolving modified cellulose includes contacting modified cellulose solution with at least one multivalent cation to form a plurality of modified cellulose particles.
    Type: Grant
    Filed: June 26, 2013
    Date of Patent: November 22, 2016
    Assignee: Covidien LP
    Inventors: Phillip Blaskovich, Valentino Tramontano, Rachit Ohri, Daniel S. Costa, Joshua Kennedy, Sajida Farooqi
  • Dissolution of oxidized cellulose and particle preparation by solvent and non-solvent precipitation
    Patent number: 9447196
    Abstract: A process for dissolving modified cellulose includes contacting modified cellulose solution with at least one non-solvent to form a plurality of modified cellulose particles.
    Type: Grant
    Filed: June 26, 2013
    Date of Patent: September 20, 2016
    Assignee: Covidien LP
    Inventors: Valentino Tramontano, Phillip Blaskovich, Rachit Ohri, Daniel S. Costa, Joshua Kennedy, Sajida Farooqi
  • Dissolution of oxidized cellulose and particle preparation by dispersion and neutralization
    Patent number: 9447197
    Abstract: A process for dissolving modified cellulose includes contacting modified cellulose solution with at least one neutralizing agent to form a plurality of modified cellulose particles.
    Type: Grant
    Filed: June 26, 2013
    Date of Patent: September 20, 2016
    Assignee: Covidien LP
    Inventors: Valentino Tramontano, Phillip Blaskovich, Rachit Ohri, Daniel S. Costa, Joshua Kennedy, Sajida Farooqi
  • DISSOLUTION OF OXIDIZED CELLULOSE
    Publication number: 20140228559
    Abstract: A process for dissolving modified cellulose is disclosed. The process includes contacting modified cellulose with a solvent in a mixture to form swelled modified cellulose and then contacting the mixture with a salt to dissolve the swelled modified cellulose.
    Type: Application
    Filed: June 28, 2012
    Publication date: August 14, 2014
    Inventors: Valentino J. Tramontano, Joshua Kennedy, Sajida Farooqi, Phillip D. Blaskovich, Rachit Ohri, Daniel S. Costa
  • Dissolution of Oxidized Cellulose and Particle Preparation by Solvent and Non-Solvent Precipitation
    Publication number: 20140005376
    Abstract: A process for dissolving modified cellulose includes contacting modified cellulose solution with at least one non-solvent to form a plurality of modified cellulose particles.
    Type: Application
    Filed: June 26, 2013
    Publication date: January 2, 2014
    Applicants: Covidien LP, Confluent Surgical, Inc.
    Inventors: Valentino Tramontano, Phillip Blaskovich, Rachit Ohri, Daniel S. Costa, Joshua Kennedy, Sajida Farooqi
  • Dissolution of Oxidized Cellulose and Particle Preparation by Cross-Linking With Multivalent Cations
    Publication number: 20140005378
    Abstract: A process for dissolving modified cellulose includes contacting modified cellulose solution with at least one multivalent cation to form a plurality of modified cellulose particles.
    Type: Application
    Filed: June 26, 2013
    Publication date: January 2, 2014
    Applicants: Covidien LP, Confluent Surgical, Inc.
    Inventors: Phillip Blaskovich, Valentino Tramontano, Rachit Ohri, Daniel S. Costa, Joshua Kennedy, Sajida Farooqi
  • Dissolution of Oxidized Cellulose and Particle Preparation by Dispersion and Neutralization
    Publication number: 20140005377
    Abstract: A process for dissolving modified cellulose includes contacting modified cellulose solution with at least one neutralizing agent to form a plurality of modified cellulose particles.
    Type: Application
    Filed: June 26, 2013
    Publication date: January 2, 2014
    Applicants: Covidien LP, Confluent Surgical, Inc.
    Inventors: Valentino Tramontano, Phillip Blaskovich, Rachit Ohri, Daniel S. Costa, Joshua Kennedy, Sajida Farooqi
  • Modulating Drug Release Rate By Controlling The Kinetics Of The pH Transition In Hydrogels
    Publication number: 20110091549
    Abstract: Methods and compositions relate to modulating the release profile of drug molecules from a hydrogel by controlling the kinetics of the pH transition of the hydrogel. The hydrogel is formed by in situ polymerization and includes a drug molecule having a pKa between the pH of the formed hydrogel and the physiologic environment in which the hydrogel is placed.
    Type: Application
    Filed: March 16, 2010
    Publication date: April 21, 2011
    Inventors: Phillip Blaskovich, Rachit Ohri, Daniel S. Costa